FY2027 ICD-10-CM reference
S22: Fracture of rib(s), sternum and thoracic spine
By the HCC Buddy Coding Team
The official ICD-10-CM descriptor is Fracture of rib(s), sternum and thoracic spine. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Nonbillable heading. Verified against the official FY2027 order file.
More specific FY2027 codes
- S22.0: Fracture of thoracic vertebraNonbillable heading
- S22.2: Fracture of sternumNonbillable heading
- S22.3: Fracture of one ribNonbillable heading
- S22.4: Multiple fractures of ribsNonbillable heading
- S22.5: Flail chestNonbillable heading
- S22.9: Fracture of bony thorax, part unspecifiedNonbillable heading
FY2027 Tabular instructions
Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.
Instructional note
Use secondary code(s) from Chapter 20, External causes of morbidity, to indicate cause of injury. Codes within the T section that include the external cause do not require an additional external cause code
Source: S00-T88 (chapter, inherited).
Instructional note
code to identify any retained foreign body, if applicable (Z18.-)
Source: S00-T88 (chapter, inherited).
Excludes2
birth trauma (P10-P15)
Source: S00-T88 (chapter, inherited).
Excludes2
obstetric trauma (O70-O71)
Source: S00-T88 (chapter, inherited).
Instructional note
The chapter uses the S-section for coding different types of injuries related to single body regions and the T-section to cover injuries to unspecified body regions as well as poisoning and certain other consequences of external causes.
Source: S00-T88 (chapter, inherited).
Includes
injuries of breast
Source: S20-S29 (section, inherited).
Includes
injuries of chest (wall)
Source: S20-S29 (section, inherited).
Includes
injuries of interscapular area
Source: S20-S29 (section, inherited).
Excludes2
burns and corrosions (T20-T32)
Source: S20-S29 (section, inherited).
Excludes2
effects of foreign body in bronchus (T17.5)
Source: S20-S29 (section, inherited).
Excludes2
effects of foreign body in esophagus (T18.1)
Source: S20-S29 (section, inherited).
Excludes2
effects of foreign body in lung (T17.8)
Source: S20-S29 (section, inherited).
Excludes2
effects of foreign body in trachea (T17.4)
Source: S20-S29 (section, inherited).
Excludes2
frostbite (T33-T34)
Source: S20-S29 (section, inherited).
Excludes2
injuries of axilla
Source: S20-S29 (section, inherited).
Excludes2
injuries of clavicle
Source: S20-S29 (section, inherited).
Excludes2
injuries of scapular region
Source: S20-S29 (section, inherited).
Excludes2
injuries of shoulder
Source: S20-S29 (section, inherited).
Excludes2
insect bite or sting, venomous (T63.4)
Source: S20-S29 (section, inherited).
Instructional note
A fracture not indicated as displaced or nondisplaced should be coded to displaced
Source: S22 (category, direct).
Instructional note
A fracture not indicated as open or closed should be coded to closed
Source: S22 (category, direct).
Includes
fracture of thoracic neural arch
Source: S22 (category, direct).
Includes
fracture of thoracic spinous process
Source: S22 (category, direct).
Includes
fracture of thoracic transverse process
Source: S22 (category, direct).
Includes
fracture of thoracic vertebra
Source: S22 (category, direct).
Includes
fracture of thoracic vertebral arch
Source: S22 (category, direct).
Code first
, if applicable, spinal cord injury (S24.0-, S24.1-)
Source: S22 (category, direct).
Code also
, if applicable, any associated condition such as:
Source: S22 (category, direct).
Code also
injury of intrathoracic organ (S27.-)
Source: S22 (category, direct).
Code also
traumatic hemopneumothorax (S27.2)
Source: S22 (category, direct).
Code also
traumatic hemothorax (S27.1-)
Source: S22 (category, direct).
Code also
traumatic pneumothorax (S27.0)
Source: S22 (category, direct).
Excludes1
transection of thorax (S28.1)
Source: S22 (category, direct).
Excludes2
fracture of clavicle (S42.0-)
Source: S22 (category, direct).
Excludes2
fracture of scapula (S42.1-)
Source: S22 (category, direct).
Seventh-character instruction
The appropriate 7th character is to be added to each code from category S22
Source: S22 (category, direct).
Instructional note
initial encounter for closed fracture
Source: S22 (category, direct).
Instructional note
initial encounter for open fracture
Source: S22 (category, direct).
Instructional note
subsequent encounter for fracture with routine healing
Source: S22 (category, direct).
Instructional note
subsequent encounter for fracture with delayed healing
Source: S22 (category, direct).
Instructional note
subsequent encounter for fracture with nonunion
Source: S22 (category, direct).
Instructional note
sequela
Source: S22 (category, direct).
Seventh-character definitions
- A: initial encounter for closed fracture
- B: initial encounter for open fracture
- D: subsequent encounter for fracture with routine healing
- G: subsequent encounter for fracture with delayed healing
- K: subsequent encounter for fracture with nonunion
- S: sequela
Compare the FY2027 additions, removals and billable-status changes
What does S22 mean in FY2027?
The official ICD-10-CM descriptor is Fracture of rib(s), sternum and thoracic spine. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.
Is S22 billable in FY2027?
The FY2027 order file marks S22 as a nonbillable heading. Select a complete billable child code.
Does S22 map to an HCC?
Risk-model mapping is not applicable to this nonbillable heading. Check a complete billable child code.
Source: CMS FY2027 ICD-10-CM order file. Payment model: CMS CY 2027 Rate Announcement. Read the FY2027 Official Guidelines.
Review the FY2026 April edition